<template>
  <div>
    <div class="data">
      <div class="searchForm">
        <el-form :inline="true" :model="params" class="demo-form-inline">
          <el-form-item label="id">
            <el-input
              v-model="params.id"
              placeholder="按id进行查找"
              class="block"
            ></el-input>
          </el-form-item>
          <el-form-item>
            <el-button icon="el-icon-search" @click="getList(1)" class="block">
              查询
            </el-button>

            <el-button type="primary" icon="el-icon-plus" @click="add"
              >增加
            </el-button>
            <el-button type="danger" icon="el-icon-delete" @click="removeMore"
              >批量删除</el-button
            >
          </el-form-item>
        </el-form>
      </div>
    </div>
    <div class="message">
      <div class="message1">
        <el-table
          :data="rows"
          stripe
          style="width: 100%"
          @selection-change="handleSelectionChange"
        >
          <el-table-column type="selection" width="55"></el-table-column>
          <el-table-column prop="id" label="id名称"> </el-table-column>
          <el-table-column prop="parentId" label="父级id"> </el-table-column>
          <el-table-column prop="img" label="图片">
            <template slot-scope="scope">
              <img
                style="width: 50px; height: 50px"
                v-if="scope.row.img"
                :src="scope.row.img"
              />
            </template>
          </el-table-column>
          <el-table-column prop="level" label="层级"> </el-table-column>
          <el-table-column prop="sort" label="排序"> </el-table-column>
          <el-table-column prop="name" label="名称"> </el-table-column>
          <el-table-column prop="_id" label="顺序"> </el-table-column>
          <el-table-column prop="status" label="是否启用">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.status"
                active-color="#13ce66"
                inactive-color="#ff4949"
                @change="statusChange(scope.row)"
                :active-value="1"
                :inactive-value="0"
              >
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="320">
            <template slot-scope="scope">
              <el-button
                type="primary"
                size="mini"
                icon="el-icon-edit"
                style="margin-right: 16px"
                @click="edit(scope.row)"
                >编辑</el-button
              >
              <el-popconfirm
                title="确定删除此数据吗"
                @confirm="remove(scope.row)"
              >
                <el-button
                  type="danger"
                  size="mini"
                  icon="el-icon-delete"
                  slot="reference"
                  >删除</el-button
                >
              </el-popconfirm>
            </template>
          </el-table-column>
        </el-table>
      </div>
    </div>
    <div class="pagination">
      <el-pagination
        @size-change="sizeChange"
        @current-change="getList"
        :current-page="params.pageNum"
        :page-sizes="[5, 10, 100, 200, 300, 400]"
        :page-size="params.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </div>
    <el-dialog
      :title="form._id ? '修改' : '新增'"
      :visible.sync="dialogFormVisible"
      width="400px"
    >
      <el-form
        :model="form"
        status-icon
        :rules="rules"
        ref="form"
        label-width="100px"
        class="demo-ruleForm"
      >
        <el-form-item label="id名称" prop="id">
          <el-input type="text" v-model="form.id"></el-input>
        </el-form-item>
        <el-form-item label="父级id" prop="parentId">
          <el-input type="text" v-model="form.parentId"></el-input>
        </el-form-item>
        <el-form-item label="图片" prop="img">
          <div
            @click="openFile"
            style="
              overflow: hidden;
              width: 100px;
              height: 100px;
              font-size: 32px;
              border: 1px dashed #ccc;
              text-align: center;
              line-height: 100px;
            "
          >
            <img
              style="max-width: 100%; max-height: 100%"
              v-if="form.img"
              :src="form.img"
            />
            <span v-else>+</span>
          </div>
          <input
            ref="file"
            style="display: none"
            multiple
            accept="image/*"
            type="file"
            @change="changeFile"
          />
        </el-form-item>
        <el-form-item label="层级" prop="level">
          <el-input type="text" v-model="form.level"></el-input>
        </el-form-item>
        <el-form-item label="排序" prop="sort">
          <el-input type="text" v-model="form.sort"></el-input>
        </el-form-item>

        <el-form-item label="名称" prop="name">
          <el-input
            type="text"
            v-model="form.name"
            autocomplete="off"
          ></el-input>
        </el-form-item>
        <el-form-item label="顺序" prop="_id">
          <el-input type="text" v-model="form._id"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择">
            <el-option
              v-for="type in types"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button @click="dialogFormVisible = false">取消</el-button>
          <!-- <el-button type="primary" @click="submit">确定</el-button> -->
          <el-button type="primary" @click="submit">确定</el-button>
        </el-form-item>
      </el-form>
    </el-dialog>
  </div>
</template>

<script>
import api from "@/api";
export default {
  name: "shouyeclassify",
  components: {},
  data() {
    return {
      //查询参数
      params: {
        id: "",
        name:"",
        type: "classify",
        pageNum: 1,
        pageSize: 5,
      },
      rows: [],
      total: 0,
      dialogFormVisible: false,
      form: {
        img: "",
        type: "classify",
        id: "",
        parentId: "",
        level: "",
        name:"",
        _id: 0,


      },
      rules: {
        name: [{ required: true, message: "品牌不能为空", trigger: "blur" }],
        id: [{ required: true, message: "id不能为空", trigger: "blur" }],
      },

      types: [
        { label: "品牌", value: "brnad" },
        { label: "分类", value: "classify" },
        { label: "商品", value: "peoducts" },
      ],
      selecteds: [],
    };
  },
  methods: {
    //获取列表
    getList(pageNum) {
      if (pageNum) this.params.pageNum = pageNum;
      this.$http({
        url: "/admin/index/classify",
        params: this.params,
      }).then((res) => {
        this.total = res.total;
        this.rows = res.rows;
      });
    },
    //启用停用
    statusChange(row) {
      this.$http({
        url: "/admin/index/classify",
        method: "PUT",
        data: {
          indexId: row._id,
          status: row.status,
        },
      }).then((res) => {
        if (res.errorMsg) {
          this.getList(1);
        }
      });
    },
    //修改pageSize
    sizeChange(pageSize) {
      this.params.pageSize = pageSize;
      this.params.pageNum = 1;
      this.getList(1);
    },
    //新增
    add() {
      //初始化
      this.form = {
       img: "",
        type: "classify",
        id: "",
        parentId: "",
        level: "",
        name:"",
        _id: 0,
      };
      this.dialogFormVisible = true;
    },
    //修改数据
    edit(row) {
      this.form = row;
      this.dialogFormVisible = true;
    },
    //删除数据
    remove(row) {
      this.$http({
        url: "/admin/index/classify",
        method: "DELETE",
        params: { indexId: row._id },
      }).then((res) => {
        if (!res.errorMsg) {
          this.getList(1);
        }
      });
    },
    handleSelectionChange(rows) {
      //存储选中数据
      this.selecteds = rows;
    },

    //批量删除
    removeMore() {
      //获取备选中数据
      let checkedRowsPromise = [];
      let success = [],
        fail = [];
      for (let i = 0; i < this.selecteds.length; i++) {
        checkedRowsPromise.push(
          new Promise((resovle) => {
            let row = this.selecteds[i];
            this.$http({
              url: "/admin/index/classify",
              method: "DELETE",
              params: { indexId: row._id },
            }).then((res) => {
              if (!res.errorMsg) {
                success.push(row._id);
              } else {
                fail.push(row._id);
              }
              resovle();
            });
          })
        );
      }
      this.$confirm("此操作将删除选中的数据, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        //删除
        Promise.all(checkedRowsPromise).then(() => {
          this.$message({
            message: `批量删除完成，成功删除${success.length}条数据,删除失败${fail.length}条数据`,
            duration: 3000,
          });
          this.getList(1);
        });
      });
    },

    changeFile(e) {
      let files = e.target.files;
      let formDate = new FormData();
      formDate.append("file", files[0]);

      this.$http({
        url: "/upload",
        method: "POST",
        data: formDate,
      }).then((res) => {
        var path = res.path.split("\\");
        path = path[0] + "/" + path[1];
        console.log(path);
        if (res.path) this.form.img = api.baseURL + "/" + path;
        console.log(res);
      });
    },
    openFile() {
      let fileElement = this.$refs.file;
      fileElement.click();
    },

    submit() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          this.form.indexId = this.form._id;
          this.$http({
            url: "/admin/index/classify",
            method: this.form._id ? "PUT" : "POST", //通过indexId判断是新增还是修改
            data: this.form,
          }).then((res) => {
            if (!res.errorMsg) {
              this.dialogFormVisible = false;
              this.getList(this.form.indexId ? undefined : 1);
            }
          });
        }
      });
    },
  },

  created() {
    this.getList();
  },
  mounted() {},
};
</script>

<style>
</style>
